diff --git a/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java b/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
index 5907301..7ff4dea 100644
--- a/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
+++ b/intc-modules/intc-iot/src/main/java/com/intc/iot/handler/DeviceDataHandler.java
@@ -2089,41 +2089,33 @@ public class DeviceDataHandler {
             sensorData.setDeviceName(deviceName);
 
             // 解析传感器数据（根据实际字段映射）
-            // 支持小写和驼峰命名两种格式
-            if (params.containsKey("dissolvedoxygen") || params.containsKey("dissolvedOxygen")) {
-                Double value = params.containsKey("dissolvedOxygen") ?
-                    params.getDouble("dissolvedOxygen") : params.getDouble("dissolvedoxygen");
+            if (params.containsKey("dissolvedOxygen")) {
+                Double value =  params.getDouble("dissolvedOxygen");
                 sensorData.setDissolvedOxygen(value);
             }
-            if (params.containsKey("temperature")) {
-                sensorData.setTemperature(params.getDouble("temperature"));
-            }
             if (params.containsKey("currentTemperature")) {
                 sensorData.setTemperature(params.getDouble("currentTemperature"));
             }
-            if (params.containsKey("saturability") || params.containsKey("dosat")) {
-                Double value = params.containsKey("dosat") ?
-                    params.getDouble("dosat") : params.getDouble("saturability");
+            if (params.containsKey("dosat")) {
+                Double value = params.getDouble("dosat") ;
                 sensorData.setSaturability(value);
             }
-            if (params.containsKey("ph")) {
-                sensorData.setPh(params.getDouble("ph"));
+            if (params.containsKey("PH")) {
+                sensorData.setPh(params.getDouble("PH"));
             }
             if (params.containsKey("salinity")) {
                 sensorData.setSalinity(params.getDouble("salinity"));
             }
-            if (params.containsKey("treference") || params.containsKey("Treference")) {
-                Double value = params.containsKey("Treference") ?
-                    params.getDouble("Treference") : params.getDouble("treference");
+            if (params.containsKey("Treference")) {
+                Double value = params.getDouble("Treference");
                 sensorData.setTreference(value);
             }
-            if (params.containsKey("tfluorescence") || params.containsKey("Tfluorescence")) {
-                Double value = params.containsKey("Tfluorescence") ?
-                    params.getDouble("Tfluorescence") : params.getDouble("tfluorescence");
+            if (params.containsKey("Tfluorescence")) {
+                Double value = params.getDouble("Tfluorescence");
                 sensorData.setTfluorescence(value);
             }
-            if (params.containsKey("phasedifference")) {
-                sensorData.setPhaseDifference(params.getDouble("phasedifference"));
+            if (params.containsKey("Phasedifference")) {
+                sensorData.setPhaseDifference(params.getDouble("Phasedifference"));
             }
             if (params.containsKey("battery")) {
                 sensorData.setBattery(params.getDouble("battery"));
diff --git a/intc-modules/intc-iot/src/main/java/com/intc/iot/mapper/AquWarnCallNoticeMapper.java b/intc-modules/intc-iot/src/main/java/com/intc/iot/mapper/AquWarnCallNoticeMapper.java
index d8fe517..14b7589 100644
--- a/intc-modules/intc-iot/src/main/java/com/intc/iot/mapper/AquWarnCallNoticeMapper.java
+++ b/intc-modules/intc-iot/src/main/java/com/intc/iot/mapper/AquWarnCallNoticeMapper.java
@@ -115,4 +115,16 @@ public interface AquWarnCallNoticeMapper extends BaseMapper<AquWarnCallNotice> {
             "INNER JOIN aqu_map_message_warn_call_notice m ON m.message_warn_id = w.id " +
             "WHERE m.call_notice_id = #{callNoticeId} LIMIT 1")
     String selectWarnMessageByCallNoticeId(@Param("callNoticeId") Long callNoticeId);
+
+    /**
+     * 通过 callNoticeId 查询关联的第一条告警消息标题（title）
+     * 用于定时任务重发时作为 TTS warnMessage 参数，避免将完整消息内容传入导致 TTS 播报异常
+     *
+     * @param callNoticeId 通知记录ID
+     * @return 告警标题，不存在时返回 null
+     */
+    @Select("SELECT w.title FROM aqu_message_warn w " +
+            "INNER JOIN aqu_map_message_warn_call_notice m ON m.message_warn_id = w.id " +
+            "WHERE m.call_notice_id = #{callNoticeId} LIMIT 1")
+    String selectWarnTitleByCallNoticeId(@Param("callNoticeId") Long callNoticeId);
 }
diff --git a/intc-modules/intc-iot/src/main/java/com/intc/iot/service/impl/WarnCallNoticeServiceImpl.java b/intc-modules/intc-iot/src/main/java/com/intc/iot/service/impl/WarnCallNoticeServiceImpl.java
index 833fea6..5b11637 100644
--- a/intc-modules/intc-iot/src/main/java/com/intc/iot/service/impl/WarnCallNoticeServiceImpl.java
+++ b/intc-modules/intc-iot/src/main/java/com/intc/iot/service/impl/WarnCallNoticeServiceImpl.java
@@ -254,16 +254,18 @@ public class WarnCallNoticeServiceImpl implements WarnCallNoticeService {
         int sentCount = 0;
         for (AquWarnCallNotice notice : pendingList) {
             try {
-                // 查询关联的告警消息内容，用于构建 TTS 参数
-                String rawMessage = warnCallNoticeMapper.selectWarnMessageByCallNoticeId(notice.getId());
-                String warnMessageShort = parseWarnMessageShort(rawMessage);
+                // 查询关联的告警标题（title），作为 TTS warnMessage 参数
+                // 使用 title（如"设备离线"、"溶解氧"）而非完整 message，避免长字符串被 TTS 逐字播报
+                String warnTitle = warnCallNoticeMapper.selectWarnTitleByCallNoticeId(notice.getId());
+                String warnMessageShort = (warnTitle != null && !warnTitle.isEmpty()) ? warnTitle : "异常";
 
                 // 通过 deviceId 查询设备名称
+                // 注意：不使用 serialNum 作为 fallback，避免数字序列号被 TTS 逐位播报
                 String deviceName = null;
                 if (notice.getDeviceId() != null) {
                     Device device = deviceMapper.selectById(notice.getDeviceId());
-                    if (device != null) {
-                        deviceName = device.getDeviceName() != null ? device.getDeviceName() : device.getSerialNum();
+                    if (device != null && device.getDeviceName() != null && !device.getDeviceName().isEmpty()) {
+                        deviceName = device.getDeviceName();
                     }
                 }